Herrick is located in southeast South Dakota. Herrick is part of Gregory County. Herrick has 0.52 square miles of land area and has no water area. As of 2010-2014, the total Herrick population is 99, which has shrunk 5.71% since 2000. The population growth rate is much lower than the state average rate of 10.58% and is much lower than the national average rate of 11.61%. Herrick median household income is $24,167 in 2010-2014 and has grown by 4.82% since 2000. The income growth rate is much lower than the state average rate of 42.67% and is much lower than the national average rate of 27.36%. Herrick median house value is $55,000 in 2010-2014 and has grown by 307.41% since 2000. The house value growth rate is much higher than the state average rate of 70.48% and is much higher than the national average rate of 46.91%. As a reference, the national Consumer Price Index (CPI) inflation rate for the same period is 26.63%. On average, the public school district that covers Herrick is much better than the state average in quality. The Herrick area code is 605.